AR075963A1 - DEVICE AND METHOD FOR HANDLING AN AUDIO SIGNAL - Google Patents

DEVICE AND METHOD FOR HANDLING AN AUDIO SIGNAL

Info

Publication number
AR075963A1
AR075963A1 ARP100100975A ARP100100975A AR075963A1 AR 075963 A1 AR075963 A1 AR 075963A1 AR P100100975 A ARP100100975 A AR P100100975A AR P100100975 A ARP100100975 A AR P100100975A AR 075963 A1 AR075963 A1 AR 075963A1
Authority
AR
Argentina
Prior art keywords
audio signal
values
modified
spectral
handling
Prior art date
Application number
ARP100100975A
Other languages
Spanish (es)
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of AR075963A1 publication Critical patent/AR075963A1/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/003—Changing voice quality, e.g. pitch or formants
    • G10L21/007—Changing voice quality, e.g. pitch or formants characterised by the process used

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

Un dispositivo y un método para manipular una senal de audio comprende un medio de ventaneo para generar una pluralidad de bloques consecutivos de muestras de audio, donde la pluralidad de bloques consecutivos comprende por lo menos un bloque rellenado de muestras de audio, donde el bloque rellenado tiene valores de relleno y valores de senal de audio, un primer convertidor para convertir el bloque rellenado en una representacion espectral que tiene valores espectrales, un modificador de fase para modificar las fases de los valores espectrales para obtener una representacion espectral modificada, y un segundo convertidor para convertir la representacion espectral modificada en una senal de audio modificada en el dominio del tiempo.A device and method for manipulating an audio signal comprises a window means for generating a plurality of consecutive blocks of audio samples, where the plurality of consecutive blocks comprises at least one block filled with audio samples, where the block filled It has padding values and audio signal values, a first converter to convert the padded block into a spectral representation that has spectral values, a phase modifier to modify the phases of the spectral values to obtain a modified spectral representation, and a second converter to convert the modified spectral representation into a modified audio signal in the time domain.

ARP100100975A 2009-03-26 2010-03-26 DEVICE AND METHOD FOR HANDLING AN AUDIO SIGNAL AR075963A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16360909P 2009-03-26 2009-03-26
EP09013051A EP2234103B1 (en) 2009-03-26 2009-10-15 Device and method for manipulating an audio signal

Publications (1)

Publication Number Publication Date
AR075963A1 true AR075963A1 (en) 2011-05-11

Family

ID=42027826

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP100100975A AR075963A1 (en) 2009-03-26 2010-03-26 DEVICE AND METHOD FOR HANDLING AN AUDIO SIGNAL

Country Status (20)

Country Link
US (1) US8837750B2 (en)
EP (2) EP2234103B1 (en)
JP (1) JP5328977B2 (en)
KR (1) KR101462416B1 (en)
CN (1) CN102365681B (en)
AR (1) AR075963A1 (en)
AT (1) ATE526662T1 (en)
AU (1) AU2010227598A1 (en)
BR (1) BRPI1006217B1 (en)
CA (1) CA2755834C (en)
ES (2) ES2374486T3 (en)
HK (2) HK1148602A1 (en)
MX (1) MX2011010017A (en)
MY (1) MY154667A (en)
PL (2) PL2234103T3 (en)
RU (1) RU2523173C2 (en)
SG (1) SG174531A1 (en)
TW (1) TWI421859B (en)
WO (1) WO2010108895A1 (en)
ZA (1) ZA201106971B (en)

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KR101424372B1 (en) 2011-02-14 2014-08-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Information signal representation using lapped transform
JP5969513B2 (en) 2011-02-14 2016-08-17 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン Audio codec using noise synthesis between inert phases
TWI488176B (en) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung Encoding and decoding of pulse positions of tracks of an audio signal
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PL3028275T3 (en) 2013-08-23 2018-02-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal using a combination in an overlap range
CN103714824B (en) * 2013-12-12 2017-06-16 小米科技有限责任公司 A kind of audio-frequency processing method, device and terminal device
US9524720B2 (en) 2013-12-15 2016-12-20 Qualcomm Incorporated Systems and methods of blind bandwidth extension
CN106409303B (en) 2014-04-29 2019-09-20 华为技术有限公司 Handle the method and apparatus of signal
EP2963649A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor and method for processing an audio signal using horizontal phase correction
RU2671996C2 (en) * 2014-07-22 2018-11-08 Хуавэй Текнолоджиз Ко., Лтд. Device and method for controlling input audio signal
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
KR102125410B1 (en) * 2015-02-26 2020-06-22 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Apparatus and method for processing audio signal to obtain processed audio signal using target time domain envelope
KR102413692B1 (en) * 2015-07-24 2022-06-27 삼성전자주식회사 Apparatus and method for caculating acoustic score for speech recognition, speech recognition apparatus and method, and electronic device
BR112018005391B1 (en) * 2015-09-22 2023-11-21 Koninklijke Philips N.V APPARATUS FOR PROCESSING AUDIO SIGNALS, METHOD OF PROCESSING AUDIO SIGNALS, AND DEVICE
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Also Published As

Publication number Publication date
US20120076323A1 (en) 2012-03-29
RU2523173C2 (en) 2014-07-20
ES2374486T3 (en) 2012-02-17
JP2012521574A (en) 2012-09-13
BRPI1006217B1 (en) 2020-12-22
EP2411976B1 (en) 2014-05-21
ES2478871T3 (en) 2014-07-23
HK1166415A1 (en) 2012-10-26
CN102365681B (en) 2014-07-16
US8837750B2 (en) 2014-09-16
ATE526662T1 (en) 2011-10-15
TWI421859B (en) 2014-01-01
SG174531A1 (en) 2011-10-28
KR20110139294A (en) 2011-12-28
AU2010227598A1 (en) 2011-11-10
BRPI1006217A2 (en) 2016-11-29
JP5328977B2 (en) 2013-10-30
EP2234103A1 (en) 2010-09-29
CA2755834A1 (en) 2010-09-30
CA2755834C (en) 2016-03-15
EP2411976A1 (en) 2012-02-01
MY154667A (en) 2015-07-15
WO2010108895A1 (en) 2010-09-30
TW201040943A (en) 2010-11-16
PL2234103T3 (en) 2012-02-29
EP2234103B1 (en) 2011-09-28
HK1148602A1 (en) 2011-09-09
CN102365681A (en) 2012-02-29
MX2011010017A (en) 2011-10-10
RU2011138839A (en) 2013-04-10
KR101462416B1 (en) 2014-11-17
ZA201106971B (en) 2012-07-25
PL2411976T3 (en) 2014-10-31

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